Thanks to Property Prof Blog for tipping us off to a recent case involving claims of "pretext" in eminent domain cases from the District of Columbia Court of Appeals has issued an opinion in Franco v. National Capital Revitalization Corp., No. 06-CV-645 (July 12, 2007), posted here.
I haven't had time to digest the opinion yet, but Professor Ilya Somin has posted a summary and analysis of the decision here. More to follow after I've had a chance to review the decision. Update: I've summarized the decision in this post.